05 50 13.pdf

Ti nker AFB, OK TAFB Techni cal Spr ci f i cat i ons 2019

SECTI ON 05 50 13

MI SCELLANEOUS METAL FABRI CATI ONS

PART 1 GENERAL

1. 1 REFERENCES

The publ i cat i ons l i s t ed bel ow f or m a par t of t hi s speci f i cat i on t o t he ext ent r ef er enced. The publ i cat i ons ar e r ef er r ed t o wi t hi n t he t ext by t he basi c desi gnat i on onl y.

ALUMI NUM ASSOCI ATI ON ( AA)

AA DAF45 ( 2003; Reaf f i r med 2009) Desi gnat i on Syst em f or Al umi num Fi ni shes

AMERI CAN I NSTI TUTE OF STEEL CONSTRUCTI ON ( AI SC)

AI SC 303 ( 2010) Code of St andar d Pr act i ce f or St eel Bui l di ngs and Br i dges

AMERI CAN SOCI ETY OF CI VI L ENGI NEERS ( ASCE)

ASCE 7 ( 2010; Er r at a 2011; Supp 1 2013) Mi ni mum Desi gn Loads f or Bui l di ngs and Ot her Structures

AMERI CAN SOCI ETY OF SAFETY ENGI NEERS ( ASSE/ SAFE)

ASSE/ SAFE A10. 3 ( 2013) Oper at i ons - Saf et y Requi r ement s f or Powder Act uat ed Fast eni ng Syst ems

AMERI CAN WELDI NG SOCI ETY ( AWS)

AWS D1. 1/ D1. 1M ( 2015; Er r at a 2015) St r uct ur al Wel di ng Code - St eel

ASME I NTERNATI ONAL ( ASME)

ASME B18. 2. 1 ( 2012; Er r at a 2013) Squar e and Hex Bol t s and Scr ews ( I nch Ser i es)

ASME B18. 2. 2 ( 2010) Nut s f or Gener al Appl i cat i ons:

Machi ne Scr ew Nut s, Hex, Squar e, Hex Fl ange, and Coupl i ng Nut s ( I nch Ser i es)

ASME B18. 21. 1 ( 2009) Washer s: Hel i cal Spr i ng- Lock, Toot h Lock, and Pl ai n Washer s ( I nch Ser i es)

ASME B18. 6. 2 ( 1998; R 2010) Sl ot t ed Head Cap Scr ews, Squar e Head Set Scr ews, and Sl ot t ed Headl ess Set Scr ews: I nch Ser i es

ASME B18. 6. 3 ( 2013) Machi ne Scr ews, Tappi ng Scr ews, and Machi ne Dr i ve Scr ews ( I nch Ser i es)

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ASTM I NTERNATI ONAL ( ASTM)

ASTM A123/ A123M ( 2013) St andar d Speci f i cat i on f or Zi nc ( Hot - Di p Gal vani zed) Coat i ngs on I r on and St eel Pr oduct s

ASTM A153/ A153M ( 2016) St andar d Speci f i cat i on f or Zi nc Coat i ng ( Hot - Di p) on I r on and St eel Hardware

ASTM A283/ A283M ( 2013) St andar d Speci f i cat i on f or Low and I nt er medi at e Tensi l e St r engt h Car bon St eel Plates

ASTM A307 ( 2014) St andar d Speci f i cat i on f or Car bon St eel Bol t s and St uds, 60 000 PSI Tensi l e Strength

ASTM A36/ A36M ( 2014) St andar d Speci f i cat i on f or Car bon St r uct ur al St eel

ASTM A467/ A467M ( 2007; R 2012) St andar d Speci f i cat i on f or Machi ne Coi l Chai n

ASTM A47/ A47M ( 1999; R 2014) St andar d Speci f i cat i on f or Fer r i t i c Mal l eabl e I r on Cast i ngs

ASTM A475 ( 2003; R 2014) St andar d Speci f i cat i on f or Zi nc- Coat ed St eel Wi r e St r and

ASTM A48/ A48M ( 2003; R 2012) St andar d Speci f i cat i on f or Gr ay I r on Cast i ngs

ASTM A500/ A500M ( 2013) St andar d Speci f i cat i on f or Col d- For med Wel ded and Seaml ess Car bon St eel St r uct ur al Tubi ng i n Rounds and Shapes

ASTM A53/ A53M ( 2012) St andar d Speci f i cat i on f or Pi pe, St eel , Bl ack and Hot - Di pped, Zi nc- Coat ed, Wel ded and Seaml ess

ASTM A653/ A653M ( 2015) St andar d Speci f i cat i on f or St eel Sheet , Zi nc- Coat ed ( Gal vani zed) or Zi nc- I r on Al l oy- Coat ed ( Gal vanneal ed) by t he Hot - Di p Pr ocess

ASTM A780/ A780M ( 2009; R 2015) St andar d Pr act i ce f or Repai r of Damaged and Uncoat ed Ar eas of Hot - Di p Gal vani zed Coat i ngs

ASTM A786/ A786M ( 2015a) St andar d Speci f i cat i on f or Hot - Rol l ed Car bon, Low- Al l oy, Hi gh- St r engt h Low- Al l oy, and Al l oy St eel Fl oor Pl at es

ASTM A924/ A924M ( 2014) St andar d Speci f i cat i on f or Gener al Requi r ement s f or St eel Sheet , Apr i l 2019 Page 2 SECTI ON 05 50 13

Met al l i c- Coat ed by t he Hot - Di p Pr ocess

ASTM B108/ B108M ( 2015) St andar d Speci f i cat i on f or Al umi num- Al l oy Per manent Mol d Cast i ngs

ASTM B209 ( 2014) St andar d Speci f i cat i on f or Al umi num and Al umi num- Al l oy Sheet and Pl at e

ASTM B221 ( 2014) St andar d Speci f i cat i on f or Al umi num and Al umi num- Al l oy Ext r uded Bar s, Rods, Wi r e, Pr of i l es, and Tubes

ASTM B26/ B26M ( 2014; E 2015) St andar d Speci f i cat i on f or Al umi num- Al l oy Sand Cast i ngs

ASTM C1513 ( 2013) St andar d Speci f i cat i on f or St eel Tappi ng Scr ews f or Col d- For med St eel Fr ami ng Connect i ons

ASTM D1187/ D1187M ( 1997; E 2011; R 2011) Asphal t - Base Emul si ons f or Use as Pr ot ect i ve Coat i ngs f or Met al

ASTM D2047 ( 2011) St at i c Coef f i c i ent of Fr i ct i on of Pol i sh- Coat ed Fl oor Sur f aces as Measur ed by t he James Machi ne

ASTM E488/ E488M ( 2015) St andar d Test Met hods f or St r engt h of Anchor s i n Concr et e and Masonr y El ement s

ASTM F1267 ( 2015) Met al , Expanded, St eel

MASTER PAI NTERS I NSTI TUTE ( MPI )

MPI 79 ( Oct 2009) Al kyd Ant i - Cor r osi ve Met al Primer

NATI ONAL ASSOCI ATI ON OF ARCHI TECTURAL METAL MANUFACTURERS ( NAAMM)

NAAMM MBG 531 ( 2009) Met al Bar Gr at i ng Manual

NAAMM MBG 532 ( 2009) Heavy Dut y Met al Bar Gr at i ng Manual

NATI ONAL FI RE PROTECTI ON ASSOCI ATI ON ( NFPA)

NFPA 211 ( 2016) St andar d f or Chi mneys, Fi r epl aces, Vent s, and Sol i d Fuel - Bur ni ng Appl i ances

SOCI ETY FOR PROTECTI VE COATI NGS ( SSPC)

SSPC SP 3 ( 1982; E 2004) Power Tool Cl eani ng

SSPC SP 6/ NACE No. 3 ( 2007) Commer ci al Bl ast Cl eani ng

1. 2 SUBMITTALS

Gover nment appr oval i s r equi r ed f or submi t t al s wi t h a " G" desi gnat i on;

submi t t al s not havi ng a " G" desi gnat i on ar e f or Cont r act or Qual i t y Cont r ol appr oval . Submi t t he f ol l owi ng i n accor dance wi t h Sect i on 01 33 00

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SUBMI TTAL PROCEDURES:

SD- 02 Shop Dr awi ngs

Fabr i cat i on Dr awi ngs of St r uct ur al St eel Door Fr ames; G

Access Door s and Panel s, I nst al l at i on Dr awi ngs; G

Cover Pl at es and Fr ames, I nst al l at i on Dr awi ngs; G

Expansi on Joi nt Cover s, I nst al l at i on Dr awi ngs; G

Fl oor Gr at i ngs and Roof Wal kways, I nst al l at i on Dr awi ngs; G

Wheel Guar ds, I nst al l at i on Dr awi ngs; G

Wi ndow And Door Guar ds, I nst al l at i on Dr awi ngs; G

Embedded Angl es and Pl at es, I nst al l at i on Dr awi ngs; G

Roof Hat ch; G

Submi t f abr i cat i on dr awi ngs showi ng l ayout ( s) , connect i ons t o st r uct ur al syst em, and anchor i ng det ai l s as speci f i ed i n AI SC 303.

Submi t t empl at es, er ect i on and i nst al l at i on dr awi ngs i ndi cat i ng t hi ckness, t ype, gr ade, c l ass of met al , and di mensi ons. Show const r uct i on det ai l s, r ei nf or cement , anchor age, and i nst al l at i on wi t h r el at i on t o t he bui l di ng const r uct i on.

SD- 03 Pr oduct Dat a

Access Door s and Panel s

Cover Pl at es and Fr ames

Cont r ol - Joi nt Cover s

Expansi on Joi nt Cover s

Fl oor Gr at i ngs and Roof Wal kways

St r uct ur al St eel Door Fr ames

Wheel Guar ds

Wi ndow and Door Guar ds

Roof Hat ch

SD- 04 Sampl es

Expansi on Joi nt Cover s

Cont r ol - Joi nt Cover s

Pr ovi de f ul l s i ze sampl es , t aken f r om manuf act ur er ' s st ock, and be compl et e as r equi r ed f or i nst al l at i on i n t he st r uct ur e.

Sampl es may be i nst al l ed i n t he wor k, pr ovi ded each sampl e i s

Apr i l 2019 Page 4 SECTI ON 05 50 13 cl ear l y i dent i f i ed and i t s l ocat i on r ecor ded.

1. 3 QUALI FI CATI ON OF WELDERS

Qual i f y wel der s i n accor dance wi t h AWS D1. 1/ D1. 1M. Use pr ocedur es, mat er i al s, and equi pment of t he t ype r equi r ed f or t he wor k.

1. 4 DELI VERY, STORAGE, AND PROTECTI ON

Pr ot ect f r om cor r osi on, def or mat i on, and ot her t ypes of damage. St or e i t ems i n an encl osed ar ea f r ee f r om cont act wi t h soi l and weat her . Remove and r epl ace damaged i t ems wi t h new i t ems.

PART 2 PRODUCTS

2. 1 MATERIALS

2. 1. 1 St r uct ur al Car bon St eel

ASTM A36/ A36M.

2. 1. 2 St r uct ur al Tubi ng

ASTM A500/ A500M.

2. 1. 3 St eel Pi pe

ASTM A53/ A53M, Type E or S, Gr ade B.

2. 1. 4 Fi t t i ngs f or St eel Pi pe

St andar d mal l eabl e i r on f i t t i ngs ASTM A47/ A47M.

2. 1. 5 Gratings

a. Gr ay cast i r on ASTM A48/ A48M, Cl ass 40.

b. Met al pl ank gr at i ng, non- sl i p r equi r ement , al umi num ASTM B209, 6061- T6; st eel ASTM A653/ A653M, G90.

c. Met al bar t ype gr at i ng NAAMM MBG 531.

2. 1. 6 Fl oor Pl at es, Pat t er ned

Fl oor pl at e ASTM A786/ A786M. St eel pl at e shal l not be l ess t han 14 gage.

2. 1. 7 Anchor Bol t s

ASTM A307. Wher e exposed, shal l be of t he same mat er i al , col or , and f i ni sh as t he met al t o whi ch appl i ed.

2. 1. 7. 1 Expansi on Anchor s, Sl eeve Anchor s and Adhesi ve Anchor s

Pr ovi de expansi on anchor s, s l eeve anchor s or adhesi ve anchor s as i ndi cat ed i n t he cont r act document s. Mi ni mum embedment shal l be as i ndi cat ed i n t he cont r act document s. Desi gn val ues l i s t ed shal l be as t est ed accor di ng to ASTM E488/ E488M.

a. Mi ni mum al l owabl e pul l out val ue shal l be as i nddi cat ed i n t he cont r act

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b. Mi ni mum al l owabl e shear val ue shal l be as i nddi cat ed i n t he cont r act documents.

2. 1. 7. 2 Lag Scr ews and Bol t s

ASME B18. 2. 1, t ype and gr ade best sui t ed f or t he pur pose.

2. 1. 7. 3 Toggl e Bol t s

ASME B18. 2. 1.

2. 1. 7. 4 Bol t s, Nut s, St uds and Ri vet s

ASME B18. 2. 2 or ASTM A307.

2. 1. 7. 5 Powder Act uat ed Fast ener s

Fol l ow saf et y pr ovi s i ons of ASSE/ SAFE A10. 3.

2. 1. 7. 6 Screws

ASME B18. 2. 1, ASME B18. 6. 2, ASME B18. 6. 3 and ASTM C1513.

2. 1. 7. 7 Washers

Pr ovi de pl ai n washer s t o conf or m t o ASME B18. 21. 1. Pr ovi de bevel ed washer s f or Amer i can St andar d beams and channel s, squar e or r ect angul ar , t aper ed i n t hi ckness, and smoot h. Pr ovi de l ock washer s t o conf or m t o

ASME B18. 21. 1.

2. 1. 8 Al umi num Al l oy Pr oduct s

Conf or m t o ASTM B209 f or sheet pl at e, ASTM B221 f or ext r usi ons and ASTM B26/ B26M or ASTM B108/ B108M f or cast i ngs, as appl i cabl e. Pr ovi de al umi num ext r usi ons at l east 1/ 8 i nch t hi ck and al umi num pl at e or sheet at l east 0. 050 i nch t hi ck.

2. 2 FABRI CATI ON FI NI SHES

2. 2. 1 Galvanizing

Hot - di p gal vani ze i t ems speci f i ed t o be zi nc- coat ed, af t er f abr i cat i on wher e pr act i cabl e. Gal vani z i ng: ASTM A123/ A123M, ASTM A153/ A153M, ASTM A653/ A653M or ASTM A924/ A924M, G90, as appl i cabl e.

2. 2. 2 Galvanize

Anchor bol t s, gr at i ng f ast ener s, washer s, and par t s or devi ces necessar y f or pr oper i nst al l at i on, unl ess i ndi cat ed ot her wi se.

2. 2. 3 Repai r of Zi nc- Coat ed Sur f aces

Repai r damaged sur f aces wi t h gal vani z i ng r epai r met hod and pai nt conf or mi ng t o ASTM A780/ A780M or by appl i cat i on of st i ck or t hi ck past e mat er i al speci f i cal l y desi gned f or r epai r of gal vani z i ng, as appr oved by Cont r act i ng Of f i cer . Cl ean ar eas t o be r epai r ed and r emove sl ag f r om wel ds. Heat sur f aces t o whi ch st i ck or past e mat er i al i s appl i ed, wi t h a

Apr i l 2019 Page 6 SECTI ON 05 50 13 t or ch t o a t emper at ur e suf f i c i ent t o mel t t he met al l i cs i n st i ck or past e;

spr ead mol t en mat er i al uni f or ml y over sur f aces t o be coat ed and wi pe of f excess mat er i al .

2. 2. 4 Shop Cl eani ng and Pai nt i ng

2. 2. 4. 1 Sur f ace Pr epar at i on

Bl ast c l ean sur f aces i n accor dance wi t h SSPC SP 6/ NACE No. 3. Sur f aces t hat wi l l be exposed i n spaces above cei l i ng or i n at t i c spaces, cr awl spaces, f ur r ed spaces, and chases may be cl eaned i n accor dance wi t h SSPC SP 3 i n l i eu of bei ng bl ast c l eaned. Wash cl eaned sur f aces whi ch become cont ami nat ed wi t h r ust , di r t , oi l , gr ease, or ot her cont ami nant s wi t h sol vent s unt i l t hor oughl y c l ean. St eel t o be embedded i n concr et e shal l be f r ee of di r t and gr ease. Do not pai nt or gal vani ze bear i ng sur f aces, i ncl udi ng cont act sur f aces wi t hi n s l i p cr i t i cal j oi nt s, but coat wi t h r ust pr event at i ve appl i ed i n t he shop.

2. 2. 4. 2 Pr et r eat ment , Pr i mi ng and Pai nt i ng

Appl y pr et r eat ment , pr i mer , and pai nt i n accor dance wi t h manuf act ur er ' s pr i nt ed i nst r uct i ons. On sur f aces conceal ed i n t he f i ni shed const r uct i on or not accessi bl e f or f i ni sh pai nt i ng, appl y an addi t i onal pr i me coat t o a mi ni mum dr y f i l m t hi ckness of 1. 0 mi l . Ti nt addi t i onal pr i me coat wi t h a smal l amount of t i nt i ng pi gment .

2. 2. 5 Nonf er r ous Met al Sur f aces

Pr ot ect by pl at i ng, anodi c, or or gani c coat i ngs.

2. 2. 6 Al umi num Sur f aces

2. 2. 6. 1 Sur f ace Condi t i on

Bef or e f i ni shes ar e appl i ed, r emove r ol l mar ks, scr at ches, r ol l ed- i n scr at ches, k i nks, st ai ns, pi t s, or ange peel , di e mar ks, st r uct ur al st r eaks, and ot her def ect s whi ch wi l l af f ect uni f or m appear ance of f i ni shed sur f aces.

2. 2. 6. 2 Al umi num Fi ni shes

Unexposed sheet , pl at e and ext r usi ons may have mi l l f i ni sh as f abr i cat ed.

Sandbl ast cast i ngs' f i ni sh, medi um, AA DAF45. Unl ess ot her wi se speci f i ed, pr ovi de al l ot her al umi num i t ems wi t h a st andar d mi l l f i ni sh. Pr ovi de a coat i ng t hi ckness not l ess t han t hat speci f i ed f or pr ot ect i ve and decor at i ve t ype f i ni shes f or i t ems used i n i nt er i or l ocat i ons or ar chi t ect ur al Cl ass I t ype f i ni sh f or i t ems used i n ext er i or l ocat i ons i n AA DAF45. Pr ovi de a pol i shed sat i n f i ni sh on i t ems t o be anodi zed.

2. 3 ACCESS DOORS AND PANELS

Pr ovi de f l ush t ype access door s and panel s unl ess ot her wi se i ndi cat ed.

Fabr i cat e f r ames f or access door s of st eel not l i ght er t han 14 gage wi t h wel ded j oi nt s and anchor age f or secur i ng i nt o const r uct i on. Pr ovi de access door s wi t h a mi ni mum of 14 by 20 i nches and of not l i ght er t han 14 gage st eel , wi t h st i f f ened edges and wel ded at t achment s. Pr ovi de access door s hi nged t o f r ame and wi t h a f l ush- f ace, t ur n- scr ew- oper at ed l at ch.

Pr ovi de exposed met al sur f aces wi t h a shop appl i ed pr i me coat .

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2. 4 CONTROL- JOI NT COVERS

Pr ovi de cont r ol - j oi nt cover s t o be l ocat ed on wal l sur f aces of concr et e, masonr y and t i l e wor k. Pr ovi de pr ot ect i ve coat i ng on t he sur f ace i n cont act wi t h concr et e, masonr y or t i l e.

2. 5 CORNER GUARDS AND SHI ELDS

For j ambs and si l l s of openi ngs and edges of pl at f or ms pr ovi de st eel shapes and pl at es anchor ed i n masonr y or concr et e wi t h wel ded st eel st r aps or end- wel d st ud anchor s. For m cor ner guar ds f or use wi t h gl azed or cer ami c t i l e f i ni sh on wal l s wi t h 0. 0625 i nch t hi ck cor r osi on- r esi st i ng st eel wi t h pol i shed or sat i n f i ni sh, ext end 5 f eet above t he t op of cove base or t o t he t op of t he wai nscot , whi chever i s l ess, and secur el y anchor t o t he suppor t i ng wal l . Cor ner guar ds on ext er i or shal l be gal vani zed.

2. 6 COVER PLATES AND FRAMES

Fabr i cat e cover pl at es of 1/ 4 i nch t hi ck r ol l ed st eel wei ghi ng not mor e t han 100 pounds per pl at e wi t h a sel ect ed r ai sed pat t er n nonsl i p t op sur f ace Pl at e shal l be gal vani zed. Rei nf or ce t o sust ai n a l i ve l oad of 80 pounds per squar e f oot . Fr ames shal l be st r uct ur al st eel shapes and pl at es, secur el y f ast ened t o t he st r uct ur e as i ndi cat ed. Mi t er and wel d al l cor ner s. But t j oi nt st r ai ght r uns. Al l ow f or expansi on on st r ai ght r uns over 15 f eet . Pr ovi de hol es f or l i f t i ng t ool s. Pr ovi de f l ush dr op handl es f or r emoval f or med f r om 1/ 4 i nch r ound st ock wher e i ndi cat ed.

Pr ovi de hol es and openi ngs wi t h 1/ 2 i nch cl ear ance f or pi pes and equi pment .

Remove shar p edges and bur r s f r om cover pl at es and exposed edges of f r ames. Wel d al l connect i ons and gr i nd t op sur f ace smoot h. Wel d bar st ops ever y s i x i nches. Pr ovi de 1/ 8 i nch cl ear ance at edges and bet ween cover pl at es.

2. 7 EXPANSI ON JOI NT COVERS

Pr ovi de expansi on j oi nt cover s const r uct ed of ext r uded al umi num wi t h anodi zed sat i n al umi num f i ni sh f or wal l s and cei l i ngs and wi t h st andar d mi l l f i ni sh f or f l oor cover s and ext er i or cover s. Fur ni sh pl at es, backup angl es, expansi on f i l l er st r i p and anchor s as i ndi cat ed.

2. 8 EXTRUDED FLOOR MAT FRAMES

Pr ovi de r ecess f r ames f or r ol l - up f l oor mat s of ext r uded 6063- T5 al umi num, i n s i zes shown. Mi t er cor ner s t o ensur e accur at e f i t t i ng. Det er mi ne dept h of r ecess by t he mat t hi ckness. Anchor f r ames i n concr et e wi t h anchor pi ns or bol t s. Pr ovi de r ol l - up mat s of al umi num const r uct i on wi t h sur f ace as i ndi cat ed i n t he cont r act document s. Pr ovi de r ol l - up mat s f or use i n r ecessed ar ea. Show const r uct i on det ai l s of r ecessed ar eas on t he drawings.

2. 9 FLOOR GRATI NGS AND ROOF WALKWAYS

Desi gn st eel gr at i ng i n accor dance wi t h NAAMM MBG 531 f or bar t ype gr at i ng or manuf act ur er ' s char t s f or pl ank gr at i ng. Gal vani ze st eel f l oor gr at i ngs wher e i ndi cat ed.

a. Desi gn f l oor gr at i ngs t o suppor t a l i ve l oad of 80 pounds per squar e f oot f or t he spans i ndi cat ed, wi t h maxi mum def l ect i on of L/ 240.

b. NAAMM MBG 531, band ends of gr at i ngs wi t h bar s of t he same or gr eat er

Apr i l 2019 Page 8 SECTI ON 05 50 13 t hi ckness t han t he met al used f or gr at i ng. Wel d bandi ng bar s t o t he bear i ng bar s or channel s at l east ever y f our t h bar or channel and i n ever y cor ner . Tack wel d i nt er veni ng bar s or channel s. Band di agonal or r ound cut s by wel di ng bar s of t he same or gr eat er t hi ckness met al used f or gr at i ng i n accor dance wi t h t he manuf act ur er ' s st andar d f or t r i m unl ess ot her wi se i ndi cat ed.

c. At t ach gr at i ng as per manuf act ur er ' s r oof at t achment syst em.

d. Sl i p r esi st ance r equi r ement s must exceed bot h wet and dr y a st at i c coef f i c i ent of f r i c t i on of 0. 6.

e. Roof t op wal kway: Mi ni mum 2 f eet wi de, 14 gage, ASTM A653/ A653M, G- 90, st eel wi t h s l i p r esi st ant sur f ace. Fur ni sh al l br acket s, connect or s and ot her accessor i es. Suppor t at mi ni mum 5 f oot i nt er val s on har d r ubber pads i n accor dance wi t h manuf act ur er s i nst r uct i ons.

2. 10 GAS- TI GHT MANHOLE COVER AND FRAME

Pr ovi de a heavy dut y t ype made of duct i l e cast - i r on wi t h bol t ed l i d, machi ned bear i ng sur f aces and gasket gr ooves, cont i nuous neopr ene gasket , count er sunk br onze hex head cap scr ews, and conceal ed wat er t i ght pi ckhol es. Pr ovi de f r ame wi t h a 30 i nch di amet er c l ear openi ng. Maxi mum wei ght of f r ame and cover t oget her t o be 530 pounds.

2. 11 GUARD POSTS ( BOLLARDS/ PI PE GUARDS)

Pr ovi de 8 i nch gal vani zedext r a st r ong wei ght st eel pi pe as speci f i ed i n ASTM A53/ A53M. Anchor post s i n concr et e and f i l l sol i dl y wi t h concr et e wi t h mi ni mum compr essi ve st r engt h of 2500 psi .

2. 12 MI SCELLANEOUS PLATES AND SHAPES

Pr ovi de f or i t ems t hat do not f or m a par t of t he st r uct ur al st eel f r amewor k, such as l i nt el s, s i l l angl es, suppor t f r ami ng f or cei l i ng- mount ed t oi l et par t i t i ons, mi scel l aneous mount i ngs and f r ames.

Pr ovi de l i nt el s f abr i cat ed f r om st r uct ur al st eel shapes over openi ngs i n masonr y wal l s and par t i t i ons as r equi r ed t o suppor t wal l l oads over openi ngs. Pr ovi de wi t h connect i ons and f ast ener s or wel ds. Const r uct t o have at l east 8 i nches bear i ng on masonr y at each end.

Pr ovi de angl es and pl at es, ASTM A36/ A36M, f or embedment as i ndi cat ed.

Gal vani ze embedded i t ems exposed t o t he el ement s accor di ng t o

ASTM A123/ A123M.

2. 13 SAFETY CHAI NS

Const r uct saf et y chai ns of gal vani zed st eel , st r ai ght l i nk t ype, 3/ 16 i nch di amet er , wi t h at l east t wel ve l i nks per f oot , and wi t h snap hooks on each end. Test saf et y chai n i n accor dance wi t h ASTM A467/ A467M, Cl ass CS.

Pr ovi de snap hooks of boat t ype. Pr ovi de gal vani zed 3/ 8 i nch bol t wi t h 3/ 4 i nch eye di amet er f or at t achment of chai n, anchor ed as i ndi cat ed.

Suppl y t wo chai ns, 4 i nches l onger t han t he anchor age spaci ng, f or each guar ded ar ea. Locat e saf et y chai n wher e i ndi cat ed. Mount t he t op chai n3 f eet 6 i nches above t he gr ound and mount t he l ower chai n 2 f eet above t he ground.

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2. 14 SECURI TY GRI LLES

Fabr i cat e of channel f r ames wi t h not l ess t han t wo masonr y anchor s at each j amb and 1/ 2 i nch har dened st eel bar s spaced not over 4 i nches bot h ways and wel ded t o f r ame. Pr ovi de 18 by 16 mesh scr een and t wo l ayer s of 1/ 4 i nch har dwar e cl ot h c l amped t o f r ame.

2. 15 STEEL PLATE WAI NSCOTS FOR CONCRETE OR MASONRY COLUMNS

Shop bend t o r adi us f or r ound col umns and at r i ght angl es f or squar e and r ect angul ar col umns wi t h s l i ght 1/ 4 i nch r adi us on cor ner s, wi t h no hor i zont al j oi nt s and not mor e t han 2 ver t i cal j oi nt s s i ngl e st r apped and but t wel ded wi t h a t hi ckness of 3/ 8" .

2. 16 STRUCTURAL STEEL DOOR FRAMES

Pr ovi de f r ames of r ol l ed shapes as i ndi cat ed. Mi t er and wel d heads t o j ambs, or have r i vet ed cl i p angl e connect i ons conceal ed i n t he f i ni shed wor k. Pr ovi de f r ames f or swi ngi ng door s wi t h 5/ 8 by 1 1/ 2 i nch sol i d bar st ops secur ed t o t he f r ame by wel di ng or by 1/ 4 i nch di amet er count er sunk machi ne scr ews spaced not mor e t han 12 i nches on cent er s. St i f f en head openi ngs gr eat er t han 3 f eet suf f i c i ent t o l i mi t def l ect i on t o not mor e t han 1/ 16 i nch. Secur e f r ames t o masonr y wi t h z i nc- coat ed met al anchor s spaced not mor e t han 30 i nches on cent er s. Wher e necessar y t o engage t he t hr eads of machi ne scr ews f or f ast eni ng har dwar e, back f r ames on i nsi de f aces wi t h st eel pl at es of sui t abl e t hi ckness; t ap f r ames and r ei nf or ci ng pl at es as necessar y f or t he i nst al l at i on of har dwar e and ot her wor k.

Count er si nk r i vet s and scr ew heads wher e exposed i n t he f i ni shed wor k.

Gr i nd wel ds smoot h.

2. 17 WHEEL GUARDS

Pr ovi de wheel guar ds of hol l ow, heavy- dut y t ype cast i r on conf or mi ng t o ASTM A48/ A48M, wi t h shaped, r ounded t op, at l east 18 i nches hi gh, and desi gned t o pr ovi de a mi ni mum of 6 i nches of pr ot ect i on.

2. 18 WI NDOW AND DOOR GUARDS, DI AMOND- MESH TYPE

Pr ovi de di amond- mesh wi ndow and door guar ds const r uct ed of woven st eel wi r e or expanded met al f r amed wi t h hot - r ol l ed or col d- f or med st r uct ur al st eel shapes. Pr ovi de woven wi r e panel s of 10 gage, 1 1/ 2 i nch mesh secur ed t hr ough weavi ng bar t o one by 1/ 2 by 1/ 8 i ncht hi ck channel f r ame.

Mi t er and wel d cor ner s of f r ames. Pr ovi de expanded met al panel s conf or mi ng t o ASTM F1267. 1- 1/ 2 i nches, Mount wi ndow and door guar ds on i nt er i or of wi ndow and door f r ame wi t h not l ess t han t wo t amper pr oof hi nged but t s mount ed on wood j ambs wi t h 1/ 4 i nch l ag bol t s, t o masonr y j amb wi t h t oggl e bol t s, or wel ded t o met al j ambs. Pr ovi de one addi t i onal but t f or each 3 f oot i nt er nal l engt h of guar d over 5 f eet . Pr ovi de one t amper pr oof hasp and padl ock, wi t h access f r om t he i nt er i or , f or each but t used and i nst al l ed on t he j amb opposi t e t o t hat hi nged. Pr ovi de gal vani zed guar ds and accessor i es wher e i ndi cat ed.

2. 19 WI NDOW AND DOOR GUARDS, WOVEN WI RE

Pr ovi de woven wi r e wi ndow and door guar ds of s i ze necessar y t o compl et el y f i l l openi ng. Const r uct guar ds wi t h 3/ 8 i nch r ound r od f r ame and 1 1/ 2 i nch di amond- mesh of No. 10 U. S. Gage ( 0. 135 di amet er ) wi r e; al l mat er i al z i nc- coat ed. Pr ovi de at l east t hr ee hi nge si de cl i ps on one si de and t wo l ock r i ng hasps on opposi t e s i de.

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2. 20 CHI MNEYS, VENTS, AND SMOKESTACKS

Desi gn and const r uct chi mneys and vent s i n accor dance wi t h NFPA 211. For m chi mney connect or s of not l i ght er t han 20 gauge gal vani zed st eel . Desi gn and const r uct st acks t o wi t hst and a wi nd vel oci t y of 115 mi l e/ h i n accor dance wi t h ASCE 7. Const r uct unl i ned st acks of bl ack- st eel pl at es not l ess t han 3/ 16 i nch t hi ck conf or mi ng t o ASTM A36/ A36M. Wel d seams and j oi nt s, except pr ovi de an angl e f l ange f or connect i on t o t he boi l er , ot her equi pment , and st ack suppor t .

2. 21 CLEANOUT DOORS

Pr ovi de cast i r oncl eanout door s wi t h f r ames, and unl ess ot her wi se i ndi cat ed si zed t o mat ch f l ues. Pr ovi de a cont i nuous f l ange and anchor s f or secur i ng f r ames i nt o masonr y. The door s shal l be smokepr oof , hi nged, and have f ast eni ng devi ces t o hol d t he door c l osed.

2. 22 DOWNSPOUT BOOTS

Pr ovi de cast i r on downspout boot s wi t h r ecei v i ng bel l s s i zed t o f i t downspouts.

2. 23 FOUNDATI ON VENTS

Pr ovi de f oundat i on vent s of t he same si ze as t he masonr y uni t s or s i zed as i ndi cat ed, and made of ext r uded al umi num wi t h i nt egr al wat er st op and sl i di ng i nt er i or c l oser or damper oper abl e f r om t he out si de. Pr ovi de an i nsect scr een at t he back of t he vent . Pr ovi de Louver ed openi ngs wi t h t op and bot t om dr i p l i ps, and t he net vent i l at i ng ar ea wi t h c l oser or damper open at l east 35 per cent of t he gr oss wal l openi ng. The f r ames shal l have a st r uct ur al st r engt h adequat e t o per mi t use i n masonr y wal l s wi t hout a lintel.

2. 24 GUY CABLES

Guy cabl es shal l be pr est r et ched, gal vani zed wi r e r ope of t he s i zes i ndi cat ed. Wi r e r ope shal l conf or m t o ASTM A475, hi gh st r engt h gr ade wi t h Cl ass A coat i ng. Guys shal l have a f act or y at t ached cl evi s t op- end f i t t i ng; a f act or y at t ached open- br i dge st r and socket bot t om- end f i t t i ng;

and be compl et e wi t h oval eye, t hr eaded anchor r ods. Fi t t i ngs and accessor i es shal l be hot - di p gal vani zed.

2. 25 WI NDOW SUB- SI LL

Pr ovi de wi ndow sub- si l l of ext r uded al umi num al l oy wi t h s i ze and desi gn i ndi cat ed. Pr ovi de not l ess t han t wo anchor s per wi ndow sect i on f or secur i ng i nt o mor t ar j oi nt s of masonr y s i l l cour se. Pr ovi de si l l s f or banks of wi ndows wi t h st andar d mi l l f i ni sh wi t h a pr ot ect i ve coat i ng, pr i or t o shi pment , of t wo coat s of a c l ear , col or l ess, met hacr yl at e l acquer appl i ed t o al l sur f aces of t he s i l l s .

2. 26 WI NDOW WELLS

Wi ndow wel l s shal l be not l i ght er t han 16 gauge, cor r ugat ed sheet st eel , hot - di p gal vani zed af t er f abr i cat i on wi t h t op edge of wal l s havi ng a 3/ 4 i nch bead or r ol l ed t op. Wi ndow wel l s shal l be semi ci r cul ar or semi el l i pt i cal i n f or m and shal l over l ap t he wi ndow by at l east 3 i nches on each si de. Removabl e cover , hot - di p gal vani zed af t er f abr i cat i on, Apr i l 2019 Page 11 SECTI ON 05 50 13 consi st i ng of st eel bar gr at e wi t h bar s spaced at not mor e t han 2 i nch cent er s and wel ded t o 1 by 1/ 4 i nch f r ame shal l be desi gned t o f i t i nt o and r est on t op edge of wi ndow wel l .

PART 3 EXECUTI ON

3. 1 GENERAL I NSTALLATI ON REQUI REMENTS

I nst al l i t ems at l ocat i ons i ndi cat ed, accor di ng t o manuf act ur er ' s i nst r uct i ons. Ver i f y al l measur ement s and t ake al l f i el d measur ement s necessar y bef or e f abr i cat i on. Exposed f ast eni ngs shal l be compat i bl e mat er i al s, shal l gener al l y mat ch i n col or and f i ni sh, and har moni ze wi t h t he mat er i al t o whi ch f ast eni ngs ar e appl i ed. I ncl ude mat er i al s and par t s necessar y t o compl et e each i t em, even t hough such wor k i s not def i ni t el y shown or speci f i ed. Poor mat chi ng of hol es f or f ast ener s shal l be cause f or r ej ect i on. Conceal f ast eni ngs wher e pr act i cabl e. Thi ckness of met al and det ai l s of assembl y and suppor t s shal l pr ovi de st r engt h and st i f f ness. For m j oi nt s exposed t o t he weat her shal l be f or med t o excl ude wat er . I t ems l i s t ed bel ow r equi r e addi t i onal pr ocedur es.

3. 2 WORKMANSHIP

Pr ovi de mi scel l aneous met al wor k t hat i s wel l f or med t o shape and si ze, wi t h shar p l i nes and angl es and t r ue cur ves. Dr i l l i ng and punchi ng shal l pr oduce cl ean t r ue l i nes and sur f aces. Pr ovi de cont i nuous wel di ng al ong t he ent i r e ar ea of cont act except wher e t ack wel di ng i s per mi t t ed. Do not t ack wel d exposed connect i ons of wor k i n pl ace and gr ound smoot h. Pr ovi de a smoot h f i ni sh on exposed sur f aces of wor k i n pl ace and unl ess ot her wi se appr oved, f l ush exposed r i vet i ng. Mi l l j oi nt s wher e t i ght f i t s ar e r equi r ed. Cor ner j oi nt s shal l be coped or mi t er ed, wel l f or med, and i n t r ue al i gnment . Accur at el y set wor k t o est abl i shed l i nes and el evat i ons and secur el y f ast ened i n pl ace. I nst al l i n accor dance wi t h manuf act ur er ' s i nst al l at i on i nst r uct i ons and appr oved dr awi ngs, cut s, and det ai l s.

3. 3 ANCHORAGE, FASTENI NGS, AND CONNECTI ONS

Pr ovi de anchor age wher e necessar y f or f ast eni ng mi scel l aneous met al i t ems secur el y i n pl ace. I ncl ude f or anchor age not ot her wi se speci f i ed or i ndi cat ed sl ot t ed i nser t s, expansi on shi el ds, and powder - dr i ven f ast ener s, when appr oved f or concr et e; t oggl e bol t s and t hr ough bol t s f or masonr y;

machi ne and car r i age bol t s f or st eel ; t hr ough bol t s, l ag bol t s, and scr ews f or wood. Do not use wood pl ugs i n any mat er i al . Pr ovi de non- f er r ous at t achment s f or non- f er r ous met al . Make exposed f ast eni ngs of compat i bl e mat er i al s, gener al l y mat chi ng i n col or and f i ni sh, t o whi ch f ast eni ngs ar e appl i ed. Conceal f ast eni ngs wher e pr act i cabl e.

3. 4 BUI LT- I N WORK

For m f or anchor age met al wor k bui l t - i n wi t h concr et e or masonr y, or pr ovi de wi t h sui t abl e anchor i ng devi ces as i ndi cat ed or as r equi r ed.

Fur ni sh met al wor k i n ampl e t i me f or secur i ng i n pl ace as t he wor k progresses.

3. 5 WELDING

Per f or m wel di ng, wel di ng i nspect i on, and cor r ect i ve wel di ng, i n accor dance with AWS D1. 1/ D1. 1M. Use cont i nuous wel ds on al l exposed connect i ons.

Gr i nd v i s i bl e wel ds smoot h i n t he f i ni shed i nst al l at i on.

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3. 6 FINISHES

3. 6. 1 Di ssi mi l ar Mat er i al s

Wher e di ssi mi l ar met al s ar e i n cont act , pr ot ect sur f aces wi t h a coat conf or mi ng t o MPI 79 t o pr event gal vani c or cor r osi ve act i on. Wher e al umi num i s i n cont act wi t h concr et e, pl ast er , mor t ar , masonr y, wood, or absor pt i ve mat er i al s subj ect t o wet t i ng, pr ot ect wi t h ASTM D1187/ D1187M, asphal t - base emul si on.

3. 6. 2 Fi el d Pr epar at i on

Remove r ust pr event i ve coat i ng j ust pr i or t o f i el d er ect i on, usi ng a r emover appr oved by t he r ust pr event i ve manuf act ur er . Sur f aces, when assembl ed, shal l be f r ee of r ust , gr ease, di r t and ot her f or ei gn mat t er .

3. 6. 3 Envi r onment al Condi t i ons

Do not c l ean or pai nt sur f ace when damp or exposed t o f oggy or r ai ny weat her , when met al l i c sur f ace t emper at ur e i s l ess t han 5 degr ees F above t he dew poi nt of t he sur r oundi ng ai r , or when sur f ace t emper at ur e i s bel ow 45 degr ees F or over 95 degr ees F, unl ess appr oved by t he Cont r act i ng Officer.

3. 7 ACCESS PANELS

I nst al l a r emovabl e access panel not l ess t han 12 by 12 i nches di r ect l y bel ow each val ve, f l ow i ndi cat or , damper , or ai r spl i t t er t hat i s l ocat ed above t he cei l i ng, ot her t han an acoust i cal cei l i ng, and t hat woul d ot her wi se not be accessi bl e.

3. 8 CONTROL- JOI NT COVERS

Pr ovi de cover s over cont r ol - j oi nt s and f ast en on one si de onl y wi t h f ast ener s spaced t o gi ve posi t i ve cont act wi t h wal l sur f aces on bot h s i des of j oi nt t hr oughout t he ent i r e l engt h of cover .

3. 9 COVER PLATES AND FRAMES

I nst al l t he t ops of cover pl at es and f r ames f l ush wi t h f l oor .

3. 10 WHEEL GUARDS

Anchor guar ds t o concr et e or masonr y i n accor dance wi t h manuf act ur er ' s i nst r uct i ons. Fi l l hol l ow cor es sol i d wi t h concr et e wi t h mi ni mum compr essi ve st r engt h of 2500 psi .

3. 11 ROOF HATCH ( SCUTTLES)

Pr ovi de zi nc- coat ed st eel sheet s not l ess t han 14 gage, wi t h 3 i nch beaded f l ange, wel ded and gr ound at cor ner . Pr ovi de a mi ni mum cl ear openi ng of 30 by 36 i nches. Const r uct i on and accessor i es as f ol l ows:

a. I nsul at e cover and cur b wi t h one i nch t hi ck r i gi d f i ber boar d i nsul at i on cover ed and pr ot ect ed by z i nc- coat ed st eel l i ner not l ess t han 26 gagewi t h 12 i nches hi gh cur b, f or med wi t h 3 i nch mount i ng f l ange wi t h hol es pr ovi ded f or secur i ng t o t he r oof deck. Equi p t he cur b wi t h an i nt egr al met al cap f l ashi ng of t he same gage and met al as t he cur b, f ul l wel ded and gr ound at cor ner s f or weat her t i ght ness.

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b. Pr ovi de hat ch compl et el y assembl ed wi t h pi nt l e hi nges, compr essi on spr i ng oper at or s encl osed i n t el escopi c t ubes, posi t i ve snap l at ch wi t h t ur n handl es on i nsi de and out si de, and neopr ene dr af t seal .

Pr ovi de f ast ener s f or padl ocki ng on t he i nsi de. Equi p t he cover wi t h an aut omat i c hol d- open ar m compl et e wi t h gr i p handl e t o per mi t one- hand r el ease. Cover act i on shal l be smoot h t hr ough i t s ent i r e r ange wi t h an oper at i ng pr essur e of appr oxi mat el y 30 pounds.

3. 12 I NSTALLATI ON OF CHI MNEYS, VENTS, AND SMOKESTACKS

I nst al l chi mneys and vent s i n accor dance wi t h NFPA 211. Pr ovi de a c l eanout openi ng wi t h a t i ght - f i t t i ng, hi nged, cast - i r on door and f r ame at t he base of each smokest ack. Pr ovi de a t op band on st acks f or at t achment of pai nt er ' s r i ggi ng. Pr ovi de r oof housi ng, r ai n cap, downdr af t di ver t er , f i r e damper , and ot her accessor i es r equi r ed f or a compl et e i nst al l at i on.

Joi n sect i ons of pr ef abr i cat ed l i ned st acks wi t h aci d- r esi st i ng hi gh- t emper at ur e cement and st eel dr aw bands. Pr ovi de means t o pr event accumul at i on of wat er i n t he smokest ack.

3. 13 DOOR GUARD FRAME

Mount door guar d f r ame over t he gl azed openi ng usi ng 1/ 4 i nch l ag bol t s on t he i nt er i or of wood door s or t amper pr oof t hr ough bol t s on t he i nt er i or of met al door s.

3. 14 I NSTALLATI ON OF GUARD POSTS ( BOLLARDS/ PI PE GUARDS)

Set pi pe guar ds ver t i cal l y i n concr et e pi er s. Const r uct pi er s of , and t he hol l ow cor es of t he pi pe f i l l ed wi t h, concr et e havi ng a compr essi ve st r engt h of 3000 psi .

3. 15 I NSTALLATI ON OF DOWNSPOUT BOOTS

Secur e downspout s t o bui l di ng t hr ough i nt egr al l i ps wi t h appr opr i at e fasteners.

3. 16 RECESSED FLOOR FRAMES & MATS

Ver i f y f i el d measur ement s pr i or t o r el easi ng mat er i al s f or f abr i cat i on by t he manuf act ur er . Use a mat f r ame t o ensur e r ecess accur acy i n s i ze, shape and dept h. For m dr ai n pi t by bl ocki ng out concr et e when f r ames ar e i nst al l ed, damppr oof af t er concr et e has set . Assembl e f r ames onsi t e and i nst al l so t hat upper edge wi l l be l evel wi t h f i ni shed f l oor sur f ace.

Scr eeded t he concr et e base i nsi de t he mat r ecess f r ame ar ea usi ng t he edge pr ovi ded by t he f r ame as a gui de and anchor i nt o t he cement wi t h anchor pi ns a mi ni mum of 24 i nches on cent er s.

3. 17 MOUNTI NG OF SAFETY CHAI NS

Mount saf et y chai ns 3 f eet 6 i nches and 2 f eet above t he f l oor .

3. 18 STRUCTURAL STEEL DOOR FRAMES

Secur e door f r ames t o t he f l oor s l ab by means of angl e c l i ps and expansi on bol t s. Wel d cont i nuous door st ops t o t he f r ame or t ap scr ewed wi t h count er sunk scr ews at no mor e t han 18 i nchcent er s, assur i ng i n ei t her case f ul l cont act wi t h t he f r ame. Make any necessar y r ei nf or cement s and dr i l l and t ap t he f r ames as r equi r ed f or har dwar e.

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3. 19 I NSTALLATI ON OF WHEEL GUARDS

Fi l l wheel guar ds wi t h concr et e and anchor t o t he f l oor or t he bui l di ng accor di ng t o t he manuf act ur er ' s r ecommendat i ons.

3. 20 BAR- GRI LLE WI NDOW GUARDS

Secur el y anchor bar - gr i l l e wi ndow guar ds t o masonr y wi t h 1/ 2 i nch di amet er pr i son- t ype scr ews or bol t s and expansi on shi el ds, or ot her t ype of f ast eni ngs i f t he ends of such f ast eni ngs ar e wel ded t o t he adj oi ni ng met al gr i l l es or ot her wi se made t amper pr oof i n a sat i sf act or y manner .

Spanner - head scr ews or bol t s ar e not consi der ed pr i son- t ype f ast ener s.

3. 21 DI AMOND MESH WI NDOW AND DOOR GUARDS

Mount di amond mesh wi ndow guar ds on i nt er i or t o masonr y j amb wi t h t oggl e bol t s, or t o concr et e j ambs and sol i d masonr y j ambs wi t h expansi on shi el ds and bol t s. Pr ovi de one addi t i onal but t f or each 3 f oot i nt er nal l engt h of guar d over 5 f eet . I nst al l hasp and padl ock on t he j amb opposi t e t o t hat hinged.

3. 22 I NSTALLATI ON OF WI NDOW WELLS

Pl ace wi ndow wel l s as shown wi t h t he wal l s secur el y anchor ed t o f oundat i on sur f ace. Excavat e t he ar ea wi t hi n t he wel l t o t he bot t om of t he wel l and cover ed wi t h a 4 i nch t hi ck l ayer of coar se gr avel or cr ushed r ock.

- - End of Sect i on - -

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